J Snell Roy

The Secret Mark

The Red Lure

The Crystal Ball

Green Eyes

The Cruise Of The O Moo

The Galloping Ghost

Whispers At Dawn; Or, The Eye

The Firebug

A Ticket To Adventure A Mystery Story For Girls

On The Yukon Trail

White Fire

The Rope Of Gold

Triple Spies

The Purple Flame

Mystery Wings; A Mystery Story For Boys

The Purple Flame; A Mystery Story For Girls

The Secret Mark

Le Rideau Magique Une Histoire Mystérieuse Pour Les Filles

Sparky Ames Of The Ferry Command

Lost In The Air

Third Warning A Mystery Story For Girls

The Blue Envelope

The Silent Alarm

Sign Of The Green Arrow

The Shadow Passes;A Mystery Story For Boys

Riddle Of The Storm

Little White Fox And His Arctic Friends

The Crystal Ball; A Mystery Story For Girls

Johnny Longbow

The Crimson Thread; An Adventure Story For Girls

Norma Kent Of The Wacs

The Firebug

The Magic Curtain; A Mystery Story For Girls

Green Eyes

Forbidden Cargoes

The Crimson Flash

The Cruise Of The O Moo

Curlie Carson Listens In

The Blue Envelope

The Galloping Ghost

The Arrow Of Fire; A Mystery Story For Boys

Forbidden Cargoes (Mystery Stories For Boys, Vol. 10)

Triple Spies

The Bodyguard

The Firebug